1. The floor has been just vacuumed by me.

2. The building has been broken into.

3. A flight to Atlanta has been booked.

4. A car has been rented by us for a week.

5. All their friends have been already invited.

6. An anonymous letter has been written.

7. The car hasn't been repaired yet.

8. A lot of charity work has been done.

9. A new stadium has been built on the outskirts.

10. Many accidents have been caused by the careless drivers.

11. The film Titanic has been seen by millions of people.

*Áp dụng câu bị động*

(S + tobe + V3 + O)

(tobe chia ở thì câu gốc)